Police said Gigliotti has medical and mental health issues and no foul play is suspected in the disappearances.

Gigliotti is described as about 5-foot-8, 150 pounds with wavy, receding dark-colored hair down to his collar and brown eyes. He has a dark, full beard and mustache and is believed to have been wearing a navy wool jacket, gray "Bigfoot Restaurant" hooded sweatshirt, jeans and black high-top tennis shoes. He was also carrying a large, black backpack.

Police ask anyone who knows of Gigliotti's whereabouts to immediately call 911 and tips can be left with Detective Mike Weinstein at 503-823-0446 or mike.weinstein@portlandoregon.gov